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Steps to compile the "gst-nveglglessink" sources:

1) Install gstreamer related packages using the command:

	sudo apt-get install gstreamer1.0-tools gstreamer1.0-alsa \
		gstreamer1.0-plugins-base gstreamer1.0-plugins-good \
		gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly \
		gstreamer1.0-libav libgstreamer1.0-dev \
		libgstreamer-plugins-base1.0-dev libegl1-mesa-dev

2) Install wayland related packages if not present:
    sudo apt-get install libwayland-dev

3) Install CUDA Runtime 10.0+

4) Install Deepstream 6.0

5) Extract the package "gstegl_src.tbz2" as follow:

	tar xvjf gstegl_src.tbz2`

6) cd "gstegl_src/gst_egl/"

7) Export the appropriate CUDA_VER using - "export CUDA_VER=<cuda-version>"

8) run "make" to create "libgstnveglglessink.so"

9) run "sudo make install" to install "libgstnveglglessink.so" in
   "/usr/lib/aarch64-linux-gnu/gstreamer-1.0".